How to use the jshint.lint function in jshint

line: ex.lineNumber - 1,
                        ch: ex.column ? ex.column - 1 : ex.column
                    },
                    end: {
                        line: ex.lineNumber - 1,
                        ch: ex.column
                    }
                },
                pos: {
                    line: ex.lineNumber,
                    ch: ex.column
                }
            }];
        }

        return jshint.lint(source, options);
    }